remove GatherMM int8hu — superseded by gather_qmm sym8 (2.6x, same quality)

GLM-4.7-Flash: sym8 gather_qmm bundle (2.6x, clean int8)

GLM-4.7-Flash: gather_qmm kernel card (2.6x, clean)

GLM-4.7-Flash: int8hu decode-pipelined bundle (ship)

GLM-4.7-Flash: MIT license

GLM-4.7-Flash: model card

initial commit